Improved oat-separator



L. 'PATRIC.

Oat Separator. v No; 38,630. Patented May 19, 1863 N. PETERS, Fholoutho n her. Wmhingwn. D4 c.

UNITED STATES PATENT OFFICE.

LEWIS PATEIE, 0E vIoToE, NEW YORK, ASSIGNOR TO HIMSELF AND HENRY REED.

IMPROVED OAT-SEPARATOR.

Specification forming part of Letters Patent No. 38,630, dated May 19, 1863; antedated March 25, 1863.

To all whqm it may concern.-

Be it known that I, LEwIs PATEIE, of Victor, in the county of Ontario and State of New York, have invented a new and useful Machine for Separating Oats from Wheat; and I do hereby declare that the following is a full, clear, and exact description thereof,

- reference being had to the annexed drawings,

making a part of this specification, in which- Figure 1 is a vertical longitudinal section of the invention. Fig. 2 is a transverse section of the cylinders D and E.

Similar letters of reference indicate corresponding parts in both figures, and the arrows indicate the direction in which the cylinders revolve.

This invention consists in the employment, for separating oats from wheat, of two perforated cylinders, one being placed within the other, and their relative diameters being such as to allow an open space between them of one-fourth inch or less, which permits the wheat to work through, the holes of each cylinder being opposite the blank spaces of the other. The oat-kernels, which are longer than the wheat, are effectually prevented from working through the sides, and are therefore discharged from the lower end of the inner cylinder into a separate spout.

The several letters B indicate the support of the cylinders D and E, the latter being designed to be inserted within the screeningcylinder of my grain-separator patented June 24, 1862. They may be more or less inclined, as seen in Fig. 1. The inner cylinder, D, is fixed to the shaft 8 by the arms a, which'are keyed to the shaft. There may be a set of arms at each end, and one, or more if necessary, intermediately. This cylinder is providedwith two or more hoops or ribs, 0, to which the outer cylinder, E, is fitted and attached. These ribs should be one-sixth of an inch deep from the periphery of the cylinder, so as to afford that amount of space between the two cylinders D and E, and they are each about one-fourth of an inch thick, and may be made of wood or other suitable material. The cylinders are pierced with holes one-fourth of an inch in diameter, and about three-eighths of an inch (more or less) apart each way. The perlorations of the inner cylinder, D, are made to register to the blank spaces between the openings of the outer cylinder, E.

It may be desirable to make one or both of l the cylinders of sheet-iron, zinc, or tin, in either of which cases the holes of the inner one should be bushed with short tubes onefourth of an inch long. The cylinders may be incased by a tight covering, having suitable openings from which to discharge the wheat. When they are made of wood, the holes should be bushed with metallic tubes to prevent them from being enlarged by wear.

Operation: The intermixed grain is deposited in the hopper G, and the spout 7) guides it into the inner cylinder, and as they revolve the wheat-kernels, which are about one-fourth of an inch long, are screened through the perforations of both cylinders, and if the oat separator is used independent of the fanningmill, the wheat may be collected by a conducting trough or spout, and discharged into a bag or bin, while the oat-kernels, being three to five eighths of an inch long, are kept within the inner cylinder, D, because if they happen to get into an opening the end strikes the blank of the outer cylinder, where it is held until carried up to the position indicated by the red lines at e, Fig.2,when itfalls back into the cylinder, whence it is at last discharged at the lower end into the spout (I.

The several red lines a, Fig. 2, indicate wheat-kernels working through the openings of the two cylinders. There may be several of these cylinders used together, if desired, and, being placed within the screening-cylinders of my fanning-mills, the same blast of air which passes through the one also operates through the others.

What I claim as my invention, and desire to secure by Letters Patent of the United States, is-

The employment of the double perforated cylinders D and E, constructed and arranged substantially in the manner herein specified, for the purpose of se; aratin g oats from wheat, as set forth.

, LEWIS PATRIE.

Witnesses:

WM. S. LOUGHBOROUGH, O. E. PATRIE. 

